Hi!

I get a 64x64 Matrix Led Panel and a Arduino Mega 2560. In theory connection diagram is correct. When I use:

matrix.fillRect(0, 0, matrix.width(), matrix.height(), matrix.Color333(0, 7, 0));

The result is:

I can not find the problem. Can you help me?

Than a lot!!

I use the example code:

/*!

* @file testRGBMatrix.ino

* @brief Run the routine to test the RGB LED Matrix Panel

* @copyright Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)

* @license The MIT License (MIT)

* @author [TangJie]](jie.tang@dfrobot.com)

* @version V1.0.1

* @date 2022-03-23

* @url https://github.com/DFRobot/DFRobot_RGBMatrix

*/

#include <DFRobot_RGBMatrix.h> // Hardware-specific library

#define OE 9

#define LAT 10

#define CLK 11

#define A A0

#define B A1

#define C A2

#define D A3

#define E A4

#define WIDTH 64

#define _HIGH 64

DFRobot_RGBMatrix matrix(A, B, C, D, E, CLK, LAT, OE, false, WIDTH, _HIGH);

void setup() {

matrix.begin();

// draw a pixel in solid white

matrix.drawPixel(0, 0, matrix.Color333(7, 7, 7));

delay(1500);

// fix the screen with green

matrix.fillRect(0, 0, matrix.width(), matrix.height(), matrix.Color333(0, 7, 0));

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